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12153704 = 231519213
BaseRepresentation
bin101110010111…
…001101101000
3211212110202012
4232113031220
511102404304
61112255052
7205206353
oct56271550
924773665
1012153704
116951292
1240a1488
132696c54
14188529a
15110116e
hexb97368

12153704 has 8 divisors (see below), whose sum is σ = 22788210. Its totient is φ = 6076848.

The previous prime is 12153703. The next prime is 12153719. The reversal of 12153704 is 40735121.

It can be written as a sum of positive squares in only one way, i.e., 10876804 + 1276900 = 3298^2 + 1130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12153704.

It is not an unprimeable number, because it can be changed into a prime (12153703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759599 + ... + 759614.

Almost surely, 212153704 is an apocalyptic number.

It is an amenable number.

12153704 is a deficient number, since it is larger than the sum of its proper divisors (10634506).

12153704 is a wasteful number, since it uses less digits than its factorization.

12153704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519219 (or 1519215 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12153704 is about 3486.2162870367. The cubic root of 12153704 is about 229.9161887448.

Adding to 12153704 its reverse (40735121), we get a palindrome (52888825).

The spelling of 12153704 in words is "twelve million, one hundred fifty-three thousand, seven hundred four".

Divisors: 1 2 4 8 1519213 3038426 6076852 12153704